Column 'header' is present, but 'value' is not...

Error:

Column 'header{0}' is present, but 'value{0}' is not.

Explanation:

In the import file the columns Header1...X, Value1...X and Unit1...X are a trinity.

If Header1...X is missing and Value1...X is present, the error message appears on the screen:

If Value1...X is missing and Header1...X occurs, the error message appears on the screen:

If Header1...X and Value1...X are missing and Unit1...X occurs, the error message appears on the screen:

Solution:

Make sure that for each sequence number there is a Header, a Value and a Unit column in the import file.

Add the missing columns with the possible values to the import file and re-import.